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Washington State CO Alarm Fact Sheet


Beginning January 1, 2011, state law required CO alarms to be installed in all new single family homes and residences, including apartments, condominiums, hotels, and motels.

State law requires CO alarms be installed in existing apartments, condominiums, hotels, motels and single-family residences by January 1, 2013. Go to this page for more information.

 


 

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